app/assets/javascripts/i18n.js in i18n-js-3.2.1 vs app/assets/javascripts/i18n.js in i18n-js-3.2.2

@@ -613,11 +613,11 @@
     return translation;
   };
 
   // This function interpolates the all variables in the given message.
   I18n.interpolate = function(message, options) {
-    if (message === null) {
+    if (message == null) {
       return message;
     }
 
     options = options || {};
     var matches = message.match(this.placeholder)
@@ -831,12 +831,16 @@
   //    yyyy-mm-dd[ T]hh:mm::ss+00:00
   //    yyyy-mm-dd[ T]hh:mm::ss.123Z
   //
   I18n.parseDate = function(date) {
     var matches, convertedDate, fraction;
+    // A date input of `null` or `undefined` will be returned as-is
+    if (date == null) {
+      return date;
+    }
     // we have a date, so just return it.
-    if (typeof(date) == "object") {
+    if (typeof(date) === "object") {
       return date;
     }
 
     matches = date.toString().match(/(\d{4})-(\d{2})-(\d{2})(?:[ T](\d{2}):(\d{2}):(\d{2})([\.,]\d{1,3})?)?(Z|\+00:?00)?/);
 
@@ -978,15 +982,21 @@
   I18n.toTime = function(scope, dateString) {
     var date = this.parseDate(dateString)
       , format = this.lookup(scope)
     ;
 
-    if (date.toString().match(/invalid/i)) {
-      return date.toString();
+    // A date input of `null` or `undefined` will be returned as-is
+    if (date == null) {
+      return date;
     }
 
+    var date_string = date.toString()
+    if (date_string.match(/invalid/i)) {
+      return date_string;
+    }
+
     if (!format) {
-      return date.toString();
+      return date_string;
     }
 
     return this.strftime(date, format);
   };